Guardmaster - Guardmaster CU4 Safety Relay - 440R-S23174

Monitoring Safety Relays w/ Delayed Outputs -, Inputs, Safety Outputs, N/A Auxiliary Outputs,

• Safe standstill detection on three-phase and single-phase motors

• Performance Level is PLe

• Category 4 to EN ISO13849-1: 2008

• SIL Claimed Level (SIL CL) 3 to IEC/EN 62061

• Safety integrity level (SIL) 3 to IEC/EN 61508 and IEC/EN 61511

• No external sensors necessary

• Standstill detection independent of direction

• Broken wire detection

• Three N.O. contacts, one N.C. contact for up to AC 250V

• Two semiconductor monitored outputs

• One monitored output (N.O. contact)

• Adjustable voltage setting

• Adjustable standstill time delay

• LED indicators for standstill, event of line breakage and operation voltage

• Suitable for operation with inverters

• Removable screw terminals